Question

Evaluating Expressions

Use the order of operations to help you solve,
56 + 9x2
100 + 5 X4
8 X 12 - 6

Answer 1

See below for steps and answers, but answers are:

74

5

90

Explanation:

Order of operations is: PEMDAS = parentheses, exponents, multiplication, division, addition, subtraction

1. 56 + 9 x 2

first we multiply:

= 56 + 18

then we add:

=74

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2. 100 / 5 x 4

first we multiply:

= 100 / 20

then we divide 100 by 20:

= 5

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3. 8 x 12 - 6

first we multiply:

= 96 - 6

then we subtract:

= 90